Table 2 Descriptive statistics at follow-up
| Â | Occupational social class | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Unskilled blue-collar | Skilled blue-collar | Lower white-collar | Upper white-collar | Total n (%) | ||||||
Age (years) | ||||||||||
 Mean (SD) | 81 (3.20) | 81 (3.72) | 80 (3.31) | 80 (3.05) | 81 (3.31) | |||||
Sex, n (%) | ||||||||||
 Women | 190 (66.7) | 35 (22.2) | 96 (48.7) | 74 (36.1) | 395 (46.7) | |||||
 Men | 95 (33.3) | 123 (77.8) | 101 (51.3) | 131 (63.9) | 450 (53.3) | |||||
Mobility limitations, n (%) | ||||||||||
 None | 135 | (49.5) | 80 | (52.3) | 105 | (55.8) | 134 | (67.0) | 454 | (55.8) |
 Mild | 61 | (22.3) | 33 | (21.6) | 38 | (20.2) | 42 | (21.0) | 174 | (21.4) |
 Severe | 77 | (28.2) | 40 | (26.1) | 45 | (24.0) | 24 | (12.0) | 186 | (22.8) |
Physical Impairment, n (%) | ||||||||||
 Absent | 110 | (50.7) | 68 | (55.7) | 86 | (54.4) | 129 | (72.1) | 393 | (58.1) |
 Present | 107 | (49.3) | 54 | (44.3) | 72 | (45.6) | 50 | (27.9) | 283 | (41.9) |